

1. 
Find the vertex of the parabola with equation y^{2} = 4x + 20. 


A. 
(5, 0) 
B. 
(0, 5) 


C. 
(5, 0) 
D. 
(0, 5) 


Hint 


2. 
The eccentricity of a parabola is _____. 


A. 
0 
B. 
always 1 


C. 
greater than 1 
D. 
sometimes 1 


Hint 


3. 
Write the equation y^{2}  4y  2x  1 = 0 in standard form. 


A. 
(y  2) ^{2} = 2x + 5 


B. 
(y  2) ^{2} = 2(x  2.5) 


C. 
(y + 2) ^{2} = 2x  5 


D. 
(y + 2) ^{2} = 2(x + 2.5) 


Hint 


4. 
Write the equation of a parabola in standard form if the general form of the equation is 6x^{2} + 12x  y + 8 = 0 


A. 
(x + 1) ^{2} = 6(y  2) 


B. 
(x  1) ^{2} = 6(y  2) 


C. 
(x  1) ^{2} = (y + 2) 


D. 
(x + 1) ^{2} = (y  2) 


Hint 


5. 
Write the equation of a parabola with vertex at (4, 3) and focus at (4, 0). 


A. 
(x  4) ^{2} = 3(y + 3) 


B. 
(y  4) ^{2} = 12(x + 3) 


C. 
(x  4) ^{2} = 12(y + 3) 


D. 
(y  4) ^{2} = 3(x + 3) 


Hint 

